Transaction not yet indexed

Mt12QXCdgz5ZaDXjdhFSqWXuTYZwoBhPa9a2zAQwzSeFE9upaUixDqgDitimGeDqvEnKyCVmArn1ofdJuJp3BAx

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.